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Service temperature of glass

February 18, 2022

A glass full of boiling water will burst and a glass full of ice will break. What is the temperature that glass can withstand? There are two kinds of glass materials: high temperature resistant and non high temperature resistant. What is the temperature difference between them?

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1. Service temperature of ordinary glass

Ordinary glass is a poor conductor of heat. Glass is a very hard material with slow heat transfer and thicker glass. Due to the influence of temperature difference, it is easier to burst when the temperature rises rapidly. Thick glasses are generally used at the temperature of "- 5 ℃ to 70 ℃" or add some cold water and then some hot water when pouring boiling water.

2. Service temperature of high temperature resistant glass

Borosilicate glass is characterized by very low coefficient of thermal expansion, high temperature resistance and high thermal stability. It can be used to hold hot water. Its working temperature can be 400-500 degrees higher and can withstand the instantaneous temperature difference from - 30 ℃ to 160 ℃.

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